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Finding the Fourth Proportional to 84,792.99, 127,194.17 and 25,627.17

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Solution

The fourth proportional to 84,792.99, 127,194.17 and 25,627.17 is: 38,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,792.99 : 127,194.17 = 25,627.17 : x
  2. Step 2: Convert to fraction form
    84,792.99/127,194.17 = 25,627.17/x
  3. Step 3: Cross multiply
    84,792.99x = 127,194.17 × 25,627.17
  4. Step 4: Simplify right side
    84,792.99x = 3,259,626,489.46
  5. Step 5: Solve for x
    x = 3,259,626,489.46/84,792.99
  6. Step 6: Final answer
    x = 38,442.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.